Check in codegen test expectations.

test/codegen/expect/destructuring.js

Index: test/codegen/expect/destructuring.js
diff --git a/test/codegen/expect/destructuring.js b/test/codegen/expect/destructuring.js
new file mode 100644
index 0000000000000000000000000000000000000000..832872dd741d40d046245874f95817a29946b457
--- /dev/null
+++ b/test/codegen/expect/destructuring.js
@@ -0,0 +1,76 @@
+dart_library.library('destructuring', null, /* Imports */[
+  'dart_sdk'
+], function load__destructuring(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const destructuring = Object.create(null);
+  let intAnddynamic__Todynamic = () => (intAnddynamic__Todynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [core.int, dart.dynamic], [dart.dynamic])))();
+  let intAnddynamic__Todynamic$ = () => (intAnddynamic__Todynamic$ = dart.constFn(dart.definiteFunctionType(dart.dynamic, [core.int, dart.dynamic], {c: dart.dynamic})))();
+  let intAnddynamicTodynamic = () => (intAnddynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [core.int, dart.dynamic])))();
+  let intAnddynamicAnddynamicTodynamic = () => (intAnddynamicAnddynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [core.int, dart.dynamic, dart.dynamic])))();
+  let __Todynamic = () => (__Todynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [], [core.int, dart.dynamic, dart.dynamic])))();
+  let __Todynamic$ = () => (__Todynamic$ = dart.constFn(dart.definiteFunctionType(dart.dynamic, [], {let: core.int, function: dart.dynamic, arguments: dart.dynamic})))();
+  let __Todynamic$0 = () => (__Todynamic$0 = dart.constFn(dart.definiteFunctionType(dart.dynamic, [], {constructor: core.int, valueOf: dart.dynamic, hasOwnProperty: dart.dynamic})))();
+  destructuring.f = function(a, b, c = 1) {
+    destructuring.f(a, b, c);
+  };
+  dart.fn(destructuring.f, intAnddynamic__Todynamic());
+  destructuring.f_sync = function(a, b, c) {
+    return dart.syncStar(function*(a, b, c = 1) {
+    }, dart.dynamic, a, b, c);
+  };
+  dart.fn(destructuring.f_sync, intAnddynamic__Todynamic());
+  destructuring.f_async = function(a, b, c) {
+    return dart.asyncStar(function*(stream, a, b, c = 1) {
+    }, dart.dynamic, a, b, c);
+  };
+  dart.fn(destructuring.f_async, intAnddynamic__Todynamic());
+  destructuring.g = function(a, b, {c = 1} = {}) {
+    destructuring.f(a, b, c);
+  };
+  dart.fn(destructuring.g, intAnddynamic__Todynamic$());
+  destructuring.g_sync = function(a, b, opts) {
+    return dart.syncStar(function*(a, b, {c = 1} = {}) {
+    }, dart.dynamic, a, b, opts);
+  };
+  dart.fn(destructuring.g_sync, intAnddynamic__Todynamic$());
+  destructuring.g_async = function(a, b, opts) {
+    return dart.asyncStar(function*(stream, a, b, {c = 1} = {}) {
+    }, dart.dynamic, a, b, opts);
+  };
+  dart.fn(destructuring.g_async, intAnddynamic__Todynamic$());
+  destructuring.r = function(a, ...others) {
+    destructuring.r(a, ...others);
+  };
+  dart.fn(destructuring.r, intAnddynamicTodynamic());
+  destructuring.r_sync = function(a, ...others) {
+    return dart.syncStar(function*(a, ...others) {
+    }, dart.dynamic, a, ...others);
+  };
+  dart.fn(destructuring.r_sync, intAnddynamicTodynamic());
+  destructuring.r_async = function(a, ...others) {
+    return dart.asyncStar(function*(stream, a, ...others) {
+    }, dart.dynamic, a, ...others);
+  };
+  dart.fn(destructuring.r_async, intAnddynamicTodynamic());
+  destructuring.invalid_names1 = function(let$, func, arguments$) {
+    destructuring.f(let$, func, arguments$);
+  };
+  dart.fn(destructuring.invalid_names1, intAnddynamicAnddynamicTodynamic());
+  destructuring.invalid_names2 = function(let$ = null, func = 1, arguments$ = null) {
+    destructuring.f(let$, func, arguments$);
+  };
+  dart.fn(destructuring.invalid_names2, __Todynamic());
+  destructuring.invalid_names3 = function({["let"]: let$ = null, ["function"]: func = null, ["arguments"]: arguments$ = 2} = {}) {
+    destructuring.f(let$, func, arguments$);
+  };
+  dart.fn(destructuring.invalid_names3, __Todynamic$());
+  destructuring.names_clashing_with_object_props = function({constructor = null, valueOf = null, hasOwnProperty = 2} = Object.create(null)) {
+    destructuring.f(constructor, valueOf, hasOwnProperty);
+  };
+  dart.fn(destructuring.names_clashing_with_object_props, __Todynamic$0());
+  // Exports:
+  exports.destructuring = destructuring;
+});